Employment

⇐ Contact Education ⇒

Senior Database Analyst
St. Jude Childrens Research Hospital
Dec 2024 - Current

  • No details yet.
  • Stay tuned.
  • In the mean time, enjoy the snow!

Data Analyst & Research Coordinator-L2
UTHSC - Preventive Medicine
Jan 2022 - Dec 2024 (3 YR)

    • Data processing, statistical analyses, and reporting for clinical studies, surveys, and research projects.
    • Utilization of a variety of statistical methods for data exploration and analysis. Not limited to descriptive statistics, linear statistical models, categorical data analysis, generalized liner models, multivariable analysis, and survival analysis.
    • Interpretation and explanation of results to clinical collaborators
    • Developing templates for graphical representation and dynamic report generation for ongoing projects through ODBC connections into Oracle and FileMaker tables.
    • Data visualizations and general-purpose programming using R, Python, and SAS
    • Conduct exploratory data analysis to identify trends, patterns, and potential safety or efficacy alerts across multiple studies.
    • Collaboration across different teams, including clinical researchers, data managers, and medical professionals, and information technologists to develop statistical analysis plans for clinical trials.
    • Work with other clinical and programming personnel to design, develop, and maintain appropriate databases.
    • Develop programs to ensure data integrity and quality control.
    • Develop efficient data archival systems for use with multi-center collaborations.
    • Maintain detailed written documentation of all data programming and data archival systems.
    • Serving as a resource to faculty in advanced data analysis with strong interpersonal and verbal and written communication skills
    • Programmed and maintained survey tools in Qualtrics.
    • Managed data storage of collected clinical trial data in FileMaker and Oracle.

Research Coordinator
UTHSC - Preventive Medicine
Jun 2020 - Jan 2022 (1 YR 7 MTH)

    • Understand thoroughly all assigned studies through reading protocols, attending investigator meetings and start-up meetings, and coordinating with Principal Investigator.
    • Adhere strictly to the study protocols, including all protocol requirements for patient visits, obtaining informed consent, patient visit schedules, test procedures, laboratory information, and other requirements.
    • Educate patients and their family members regarding the clinical trials process and the details of the specific study in which they’re participating.
    • Coordinate and conduct patient visits and assure all procedures are conducted in compliance with the clinical trial protocol and Good Clinical Practice (GCP).
    • Track enrollment status of patients and ensure timely communication with patients regarding their study participation.
    • Manage study related activities from recruitment, retention, intervention, and QC.
    • Assess, record, and report Adverse Events as outlined in the protocol.
    • Support data entry activities to meet study data needs and deadlines.
    • Create and maintain patient visit tracking spreadsheets for Clinical Project Manager
    • Develop and maintain file management and maintain the study monitor calendar.

Biostatistics Research Assistant
University of Memphis
Mar 2020 - May 2022 (2 YR 2 MTH)

    • Performed varying statistical analysis. Including but not limited to descriptive statistics, linear statistical models, categorical data analysis, generalized liner models, multivariable analysis, and survival analysis.
    • Scripted and performed varying simulation studies and analysis using HPC.
    • Assisted in the writing and preparation of research reports, including internal documentation, academic publications, and research presentations at national meetings.
    • Perform statistical programming and analysis for multiple research studies, with guidance from faculty biostatisticians using various statistical models.
    • Create analysis datasets, summarize data, and creates reports using R and SAS.
    • Assess the appropriateness of final statistical models.
    • Document methods and results via written reports.
    • Responsible for programming and publishing an R package (RHclust)

Orthopedic and Neurological
Medical Device Sales Rep
Dynasplint Systems Inc.
May 2018 - Apr 2020 (1 YR 3 MTH)

  • Regional Territories:
    • South-Western Tennessee
    • North-Western Mississippi
    • Eastern Arkansas
  • Cold calls to outpatient physical therapy clinics and physician offices
  • Worked with my southern sales service representatives to validate patient insurances
  • Obtaining and organizing patient information for proper billing protocols
  • Patient evaluations and consultations for proper medical device fittings and usage
  • Frequent follow-ups to ensure proper biomechanical alignment and proper fitting
  • Specializations in:
    • Orthopedics
    • Neurological Disorders

AS/400 Systems Operator / IT Specialist
H.T. Hackney Coorporate Headquarters
Jul 2018 - May 2019 (11 MTH)


  • Using the AS/400 system to manage warehouse jobs at all locations across the eastern US.
  • Managing failed system operations at corporate or other locations
  • Identifying and coordinating with warehouse on potential job issues
  • Occasional tracking and confirmation of orders
  • Printing, binding, and packaging job orders from warehouses as they are sent in.
  • Running weekday and weekend backups at appropriate times.
  • Assisting sales associates and customers with the handheld devices used for submitting orders.

Sales Manager
Q4Fitness
Jan 2017 - Aug 2017 (1 YR 3 MTH)


  • Responsible for recruitment, hiring, and training of sales staff and coaches.
  • Developed dashboards for monthly sales reports with the owner.
  • Oversaw weekly sales meetings.
  • Strategized selling tactics, advertisements, and product promotions.

Head Lifeguard and Certified Pool Operator
Ric Nuber YMCA
Feb 2011 - May 2015 (4 YR 4 MTH)


  • Oversaw a team of fifteen lifeguards.
  • Coordinated monthly in-service meetings.
  • Performed swim tests for both lifeguards and members.
  • Oversaw in-water and out-of-water life-saving techniques.
  • Creating the biweekly/monthly work schedules.
  • sPerformed scheduled pool cleaning, maintenance, and backups.
  • Oversaw pool maintenance which included proper chemical balance, disinfection, circulation and filtration.

⇐ Contact Education ⇒

Education

⇐ Employment Skills ⇒

Doctor of Philosophy (PhD)
Epidemiology & Biostatistics

University of Memphis 2023-Current

MEM

Master of Science (MS)
Biostatistics

University of Memphis 2020-2023

MEM

Master of Science (MS)
Biomechanics

University of Tennessee at Knoxville 2017-2019

UTK

Bachelor of Science (BS)
BS - Exercise Science

University of Tennessee at Chattanooga 2012-2016

UTC

Christian Brothers High School

CBHS
⇐ Employment Skills ⇒

Skills

⇐ Education Publications ⇒

PROGRAMMING LANGUAGES

R

SAS

Python


C++

C#

Rust


Git

SQL

Matlab


Lua

Go

Visual Basic


SOFTWARE

REDCap

FileMaker

REDCap Cloud


Qualtrics

Vicon Visual 3D

OpenSim


CONCEPTS

Statistical Analysis

Data Visualization

Data Analysis


Statistical Interpretation

Clinical Trial Design

Machine Learning


Time Series Analysis

Data Collection

Simulation


Project management

Data management

Time management


⇐ Education Publications ⇒

Publications

⇐ Skills Contact ⇒

Publications

  • Handwerker J, Sobral L, Ray M. (2021). RHclust: Vector in Partition. R package version 2.0.0. https://CRAN.R-project.org/package=RHclust
  • Handwerker J. (2023). Vector in Partition Extension: Analysis of Clustering when Genetics Distance is Weighted by Covariates. ProQuest Dissertations and Theses.

    • Abstract & Presentations

    UTHSC Department of Preventive Medicine Biostatistics Seminar Series. October 2023.
  • Handwerker J, Ray M. A Clustering Approach to Non-Equal Length Joint Pattern Genetic and Epigenetics Factors Weighted by Covariates. Oral Presentation.

    • Midsouth Data Science Conference. Memphis, Tennessee. June 2023
  • Handwerker J, Ray M. Covariate weighted non-parametric clustering of joint pattern multi-genetic/epigenetic factors. Oral presentation.

    • Joint Statistical Meeting. Toronto, Canada. August 2023
  • Handwerker J, Ray M. Non-parametric clustering of joint pattern multi-genetics/epigenetics factors weighted by covariates. Poster Presentation.

    • Assisted Grants (total: $4,199,955)

  • 1R01CA267643-01. “Managing Obesity by Leveraging Health Information technology to Lower Cancer Risk.” NCI. Amount, $639,058
  • W81XWH-17-100451. “The effect of a powered ankle foot orthosis (PAFO) on function, safety & quality of life in military service members and veterans who wear a prescribed orthosis”. Department of Defense (DoD). Amount, $1,998,325.
  • OP140065. “The effect of a Microprocessor prosthetic foot on function and quality of life in trans-tibial amputees who are limited community ambulators.” Clinical and Rehabilitative Medicine Research Program (CRMRP) Orthotics and Prosthetics Outcomes Research Program (OPORP). Department of Defense (DoD). Amount, $1,492,955.
  • 1R03AI128227-01A1. “Joint Patterns of multi-genetic/epigenetic factors via non-parametric clustering and their association with allergic disease”. NIAID/NIH. Amount, $69,617

    • ⇐ Skills Contact ⇒